Ordering number: EN3302A
Monolithic Digital IC
LB1820
Office Automation-Use 3-Phase Brushless Motor
Driver
Overview
The LB1820 is a three-phase brushless motor with a digital
speed control circuit built in.
The LB1820 is ideally suited for use in office automation
applications such as laser beam printers and drum motor
drivers.
Package Dimensions
unit : mm
3147-DIP28HS
[LB1820]
Features
.
Three-phase brushless motor driver with digital speed control
.
function voltage and 2.5 A output current
.
30 V withstand built in
.
Current limiter
.
Low-voltage protection circuit built in
.
Thermal shutdown circuit built in
hysteresis
.
Hall amp withbuilt in
.
Start/stop pin and divider built in
oscillator
.
Crystal speed control circuit built in
.
Digitaldetector built in
Lock
Specifications
Absolute Maximum Ratings
at Ta = 25 擄C
Parameter
Maximum supply voltage 1
Maximum supply voltage 2
Output current
Allowable power dissipation 1
Allowable power dissipation 2
Operating temperature
Storage temperature
Symbol
V
CC
V
M
I
O
Pd max 1
Pd max 2
Topr
Tstg
t
%
100 ms
Independent IC
With arbitrarily large heat sink
Conditions
SANYO : DIP28HS
Ratings
30
30
2.5
3
20
鈥?0 to +80
鈥?5 to +150
Unit
V
V
A
W
W
擄C
擄C
Allowable Operating Ranges
at Ta = 25 擄C
Parameter
Supply voltage range 1
Supply voltage range 2
Voltage regulator output current
Comparator output current
Lock detector output current
Symbol
V
CC
V
M
I
VH
I
OSC
I
LD
Conditions
Ratings
9.5 to 28
5 to 28
0 to +20
0 to +30
0 to +20
Unit
V
V
mA
mA
mA
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
43096HA(II)/3260TA, TS(GTPS) No.3302-1/7